Cycling Bargains - BikeInn Thun Efficient Zumba Gbl 420 Bottom Bracket | Hot deals section, massive stocks, great prices & easy returns. (INN141790761)
BikeInn Thun Efficient Zumba Gbl 420 Bottom Bracket | Hot deals section, massive stocks, great prices & easy returns.
Product Description
THUN Efficient Zumba GBL 420 Bottom BracketUpgrade Your Ride with Uncompromising Reliability and PerformanceExperience the pinnacle of drivetrain reliability with the THUN Efficient Zumba GBL 420 bottom bracket, the ultimate foundation for a smooth, silent, and powerful cycling experience. Expertly engineered in Germany, this bottom bracket is designed for cyclists who demand durability and flawless function without the need for constant upkeep. It´s the perfect choice for upgrading or building a high-performance bike, especially for the rigors of daily urban cycling, commuting, and trekking.Engineered for Durability and All-Weather DependabilityThe THUN Efficient Zumba GBL 420 is built to last. Its weatherproof construction ensures that it performs consistently, whether you´re riding in bright sunshine or through rainy city streets. The heart of this unit is a special hardened axle featuring an advanced ML treatment, providing exceptional strength and resistance to wear and tear. This robust design is certified to the demanding ISO 4210-8:2014 standard for Mountain Bikes (MTB), guaranteeing a level of toughness that far exceeds the needs of everyday use. A zinc-coated steel sleeve (Ø 27mm) offers an additional layer of intelligent protection for the bottom bracket shell and is especially useful for bikes with internal cable routing near the bottom bracket area.Maintenance-Free, Silky-Smooth RotationSay goodbye to drivetrain noise and frequent servicing. The Zumba GBL 420 delivers optimum rotation quality thanks to its precision-engineered, double-sealed industrial bearings. This sealed system protects the internal mechanics from dirt, water, and grime, ensuring a consistently smooth pedal stroke for thousands of miles. This fit-and-forget design philosophy makes it an ideal component for any cyclist who values performance and convenience. The left side features a functional shoulder (FS) for precise and secure assembly, further enhancing the unit´s long-term stability.Modern Compatibility for Urban CyclingDesigned with modern bicycle technology in mind, the THUN Efficient Zumba GBL 420 is fully compatible with the clean and quiet Gates CDN belt drive system, making it a premier choice for contemporary urban and e-bike builds. The square taper interface (12.73mm) and BSA threading (1.375x24) ensure compatibility with a wide range of cranksets and frames with a 68mm housing width. The unit arrives as a self-service package, complete with two inside hexagon screws that feature a polyamide-stain cover and a clip-ring for a secure and clean installation.Assembly Advice: For optimal performance and longevity, please adhere to the following torque specifications during installation. Shell tightening torque: 25-30Nm . Screw tightening torque: 45Nm.--- Specifications:- Design: 4-edge (Square Taper)- Standard bottom bracket: BSA - Bottom bracket width: 68 mm- Axle length: 118.0 mm- Axle standard: ISO- Bearing type: Sealed bearing- Material: Steel- Weight: 0.303 kg- Attribute: Urban Cycling
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